A spin-trapping study on crosslinks induced by γ- and neutron irradiations of n-eicosane

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Abstract

ESR combined with the spin-trapping method was applied to a study of the effects of both γ- and neutron irradiations to n-eicosane. Two kinds of crosslinks were detected; one was the crosslinks at ends of chains and the other was the crosslinks in central parts of chains. Another radical, which was a secondary carbon radical and presumably a precursor for the crosslinks, was also detected. Either by the temperature change or by the radiation dose variation the conformation changes were found for the secondary carbon radical, which was a good probe for the difference in the crosslinks. Some difference was also found in the effect of the γ- and neutron irradiations to n-eicosane.

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